Justin Braithwaite
Principal Engineer at Upstart
Kailua, Hawaii, United States
Summary
🤩
Rockstar🎓
Top SchoolJustin Braithwaite is a Principal Engineer with 12 years of experience building full-stack web applications, currently shaping architecture and delivery at Upstart from his base in Kailua, Hawaii. He combines backend performance tuning and database optimization with API design and responsive front-end work, frequently bridging engineering and design to deliver cohesive user experiences. His background spans startups and consultancy—leading mobile and web projects using React, React Native, Next.js, Node, TypeScript, GCP, Firebase, and Terraform—alongside a long history in graphic design that informs strong product and UI sensibilities. As an owner of a full-service web consultancy and a senior engineer who authored RFCs and design systems, he brings both entrepreneurial initiative and process-driven rigor. Known for integrating disparate technologies into pragmatic solutions, he excels at unifying teams around reusable components and accessible interfaces. Outside of engineering, his design-first training gives him an unusual edge in marrying aesthetics with scalable architecture.
12 years of coding experience
6 years of employment as a software developer
BA Graphic Design, BA Graphic Design at The Art InstitutesComputer Science, Computer Science at University of Toronto - Victoria University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (133)
javascript10
browser10
router10
typescript10
nextjs10
react10
shipit9
triangle9
music9
compiler9
isomorphic-fetch9
declarative9
hybrid9
node-client9
user-interface9
Programming languages (5)
Github contributions (5)
jbraithwaite/nodebrainz
Dec 2013 - Sep 2016
Another musicbrainz node client
Contributions:30 commits, 1 PR, 1 push in 2 years 10 months
musicbrainzmusicnode-clientnodejs
jbraithwaite/uptime
Sep 2021 - Apr 2025
Contributions:3976 pushes, 2 branches, 61 comments in 3 years 7 months
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